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Cleaning fluid circulating, separating and recharging system used in process of refining light diesel oil from waste engine oil

A technology of cleaning liquid circulation and replenishment system, applied in the direction of lubricating composition, etc., can solve the problem of not providing equipment or devices, and achieve the effect of stable liquid level and stable relationship

Active Publication Date: 2015-09-30
洛阳德正废弃资源再利用有限公司
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  • Application Information

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  • Cleaning fluid circulating, separating and recharging system used in process of refining light diesel oil from waste engine oil

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Embodiment 1

[0016] Embodiment one: see figure 1 In the figure, a cleaning liquid circulation, separation, and replenishment system in the refining of light diesel oil from waste engine oil includes a cleaning liquid circulation pipeline, a spray cleaning device, a cooling liquefaction device, and an oil-gas separator. The spray cleaning device is located in the cooling liquefaction In the upper part of the device, the upper part of the sprinkler cleaning device is connected to the end of the upper water pipe of the cleaning liquid circulation pipeline in the middle, and the upper part of the spray cleaning device is also connected to the pipeline for transporting gas phase diesel oil through pipelines, and the lower part of the cooling liquefaction device is connected to the horizontal tank through pipelines One of the end faces of the tank body of the oil-gas separator is connected with a refinery gas recovery pipe, and the lower part of the oil-gas separator is provided with an oil and c...

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Abstract

A cleaning fluid circulating, separating and recharging system used in the process of refining light diesel oil from waste engine oil comprises a cleaning fluid circulating pipeline, a spray cleaning device, a cooling liquefaction device and an oil-gas separator, wherein the spray cleaning device is arranged on the cooling liquefaction device; the upper part of the spray cleaning device is connected with the cleaning fluid circulating pipeline and a pipeline used for conveying gaseous diesel oil; the lower part of the cooling liquefaction device is connected with the oil-gas separator; an oil-cleaning liquid separating tank is arranged under the oil-gas separator, and comprises a tank body, a mixture inlet pipe, an oil outlet pipe, a cleaning fluid outlet pipe, and cleaning fluid remaining in the tank body; the mixture inlet pipe, the oil outlet pipe and the cleaning fluid outlet pipe are arranged on the tank body and communicated with the oil-gas separator; the cleaning fluid outlet pipe is arranged at the lower part of the tank body, and is communicated with the cleaning fluid circulating pipeline; a circulating pump is arranged on the cleaning fluid circulating pipeline; a recharging pipeline is connected onto the cleaning fluid circulating pipeline in parallel. The cleaning fluid circulating, separating and recharging system has the advantages that the mixture of oil and the cleaning fluid can be separated; the cleaning fluid can be recharged regularly to ensure that the quantity of the cleaning fluid in the circulating process is relatively stable.

Description

technical field [0001] The invention relates to the technical field of refining light diesel oil from waste engine oil, in particular to a cleaning liquid circulation, separation and supply system for refining light diesel oil from waste engine oil. Background technique [0002] At present, in the process of refining light diesel oil from waste engine oil, the cleaning liquid is mainly used to clean the light diesel oil in the liquefaction process to improve the quality of light diesel oil. The cleaning liquid will be mixed with light diesel oil during use. The separation must be carried out with special separation equipment, and the separated cleaning solution also needs to be reused, preferably it can be recycled directly. In addition, in the process of circulating the cleaning solution, it is inevitable that part of the cleaning solution will be lost, so In order to ensure that the amount of cleaning fluid is sufficient for use, replenishment is required. No relevant equ...

Claims

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Application Information

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IPC IPC(8): C10M175/00
Inventor 王平钦张玉岷周现社冯舒芮
Owner 洛阳德正废弃资源再利用有限公司